调用服务工具类-HttpsUtil

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang3.StringUtils;



public class HttpsUtil
{
    /**
     * post请求方法
     */
    private static final String METHOD_POST = "POST";

    /**
     * utf-8编码格式
     */
    private static final String DEFAULT_CHARSET = "utf-8";

    /**
     * doPost
     * 
     * @param url
     *            请求地址
     * @param params
     *            请求参数
     * @param charset
     *            编码
     * @param ctype
     *            类型
     * @param connectTimeout
     *            连接超时时间
     * @param readTimeout
     *            读取超时时间
     * @return 结果
     * @throws Exception
     *             异常
     */
    public static String doPost(String url, String params, String charset, String ctype,
                                int connectTimeout, int readTimeout)
        throws Exception
    {
        charset = (charset == null || "".equals(charset)) ? DEFAULT_CHARSET : charset;
        byte[] content = {};
        if (params != null)
        {
            content = params.getBytes(charset);
        }
        return doPost(url, ctype, content, connectTimeout, readTimeout);
    }

    /**
     * doPost
     * 
     * @param url
     *            请求地址
     * @param ctype
     *            类型
     * @param content
     *            内容
     * @param connectTimeout
     *            连接超时时间
     * @param readTimeout
     *            读取超时时间
     * @return 结果
     * @throws Exception
     *             异常
     */
    public static String doPost(String url, String ctype, byte[] content, int connectTimeout,
                                int readTimeout)
        throws Exception
    {
        HttpsURLConnection conn = null;
        OutputStream out = null;
        String rsp = null;
        try
        {
            try
            {
                SSLContext ctx = SSLContext.getInstance("TLS");
                ctx.init(new KeyManager[0], new TrustManager[] {new DefaultTrustManager()},
                    new SecureRandom());
                SSLContext.setDefault(ctx);

                conn = getConnection(new URL(url), METHOD_POST, ctype);
                conn.setHostnameVerifier(new HostnameVerifier()
                {
                    @Override
                    public boolean verify(String hostname, SSLSession session)
                    {
                        return true;
                    }
                });
                conn.setConnectTimeout(connectTimeout);
                conn.setReadTimeout(readTimeout);
            }
            catch (Exception e)
            {
                // log.error("GET_CONNECTOIN_ERROR, URL = " + url, e);
                throw e;
            }
            try
            {
                out = conn.getOutputStream();
                out.write(content);
                rsp = getResponseAsString(conn);
            }
            catch (IOException e)
            {
                // log.error("REQUEST_RESPONSE_ERROR, URL = " + url, e);
                throw e;
            }

        }
        finally
        {
            if (out != null)
            {
                out.close();
            }
            if (conn != null)
            {
                conn.disconnect();
            }
        }

        return rsp;
    }

    private static class DefaultTrustManager implements X509TrustManager
    {

        @Override
        public void checkClientTrusted(X509Certificate[] arg0, String arg1)
            throws CertificateException
        {}

        @Override
        public void checkServerTrusted(X509Certificate[] arg0, String arg1)
            throws CertificateException
        {}

        @Override
        public X509Certificate[] getAcceptedIssuers()
        {
            return null;
        }

    }

    /**
     * 获取连接
     * 
     * @param url
     *            请求地址
     * @param method
     *            请求方法
     * @param ctype
     *            类型
     * @return HttpsURLConnection
     * @throws IOException
     *             异常
     */
    private static HttpsURLConnection getConnection(URL url, String method, String ctype)
        throws IOException
    {
        HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
        conn.setRequestMethod(method);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setRequestProperty("Accept", "text/xml,text/javascript,text/html");
        conn.setRequestProperty("User-Agent", "stargate");
        conn.setRequestProperty("Content-Type", ctype);
        return conn;
    }

    /**
     * getResponseAsString
     * 
     * @param conn
     *            conn连接
     * @return String
     * @throws IOException
     *             IOException
     */
    protected static String getResponseAsString(HttpURLConnection conn)
        throws IOException
    {
        String charset = getResponseCharset(conn.getContentType());
        InputStream es = conn.getErrorStream();
        if (es == null)
        {
            return getStreamAsString(conn.getInputStream(), charset);
        }
        else
        {
            String msg = getStreamAsString(es, charset);
            if (StringUtils.isEmpty(msg))
            {
                throw new IOException(conn.getResponseCode() + ":" + conn.getResponseMessage());
            }
            else
            {
                throw new IOException(msg);
            }
        }
    }

    /**
     * getStreamAsString
     * 
     * @param stream
     *            stream
     * @param charset
     *            charset
     * @return String
     * @throws IOException
     *             IOException
     */
    private static String getStreamAsString(InputStream stream, String charset)
        throws IOException
    {
        try
        {
            BufferedReader reader = new BufferedReader(new InputStreamReader(stream, charset));
            StringWriter writer = new StringWriter();

            char[] chars = new char[256];
            int count = 0;
            while ((count = reader.read(chars)) > 0)
            {
                writer.write(chars, 0, count);
            }

            return writer.toString();
        }
        finally
        {
            if (stream != null)
            {
                stream.close();
            }
        }
    }

    /**
     * getResponseCharset
     * 
     * @param ctype
     *            ctype
     * @return String
     */
    private static String getResponseCharset(String ctype)
    {
        String charset = DEFAULT_CHARSET;

        if (!StringUtils.isEmpty(ctype))
        {
            String[] params = ctype.split(";");
            for (String param : params)
            {
                param = param.trim();
                if (param.startsWith("charset"))
                {
                    String[] pair = param.split("=", 2);
                    if (pair.length == 2)
                    {
                        if (!StringUtils.isEmpty(pair[1]))
                        {
                            charset = pair[1].trim();
                        }
                    }
                    break;
                }
            }
        }
        return charset;
    }

    private static class TrustAnyHostnameVerifier implements HostnameVerifier
    {
        @Override
        public boolean verify(String hostname, SSLSession session)
        {
            return true;
        }
    }

    /**
     * doGet
     * 
     * @param url
     *            请求地址
     * @param keyValueParams
     *            参数
     * @param cypt
     *            cypt
     * @return String
     * @throws Exception
     *             Exception
     */
    public static String doGet(String url, Map keyValueParams, String cypt)
        throws Exception
    {
        String result = "";
        BufferedReader in = null;
        try
        {

            String urlStr = url + "?" + getParamStr(keyValueParams);
            // System.out.println("GET请求的URL为："+urlStr);
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, new TrustManager[] {new DefaultTrustManager()},
                new java.security.SecureRandom());
            URL realUrl = new URL(urlStr);
            // 打开和URL之间的连接
            HttpsURLConnection connection = (HttpsURLConnection)realUrl.openConnection();
            // 设置https相关属性
            connection.setSSLSocketFactory(sc.getSocketFactory());
            connection.setHostnameVerifier(new TrustAnyHostnameVerifier());
            connection.setDoOutput(true);

            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("Content-type", cypt);
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();

            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null)
            {
                result += line;
            }
            // System.out.println("获取的结果为："+result);
        }
        catch (Exception e)
        {
            // System.out.println("发送GET请求出现异常！" + e);
            // e.printStackTrace();
            throw e;
        }
        // 使用finally块来关闭输入流
        finally
        {
            try
            {
                if (in != null)
                {
                    in.close();
                }
            }
            catch (Exception e2)
            {
                // e2.printStackTrace();
                throw e2;
            }
        }
        return result;
    }

    /**
     * 转化字符串参数
     * 
     * @param params
     *            参数
     * @return String
     */
    public static String getParamStr(Map params)
    {
        String paramStr = StringUtils.EMPTY;
        if (null == params || 0 == params.size())
        {
            return paramStr;
        }
        // 获取参数列表组成参数字符串
        for (String key : params.keySet())
        {
            paramStr += key + "=" + params.get(key) + "&";
        }
        // 去除最后一个"&"
        return paramStr.substring(0, paramStr.length() - 1);
    }

    /**
     * 解析出url参数中的键值对 如 "index.jsp?Action=del&id=123"，解析出Action:del,id:123存入map中
     * 
     * @param url
     *            url地址
     * @return url请求参数部分
     * @author lzf
     */
    public static Map getUrlParam(String url)
    {
        // 初始化返回
        Map params = new HashMap();
        if (StringUtils.isBlank(url))
        {
            return params;
        }
        //
        String strUrlParam = truncateUrl(url);
        if (StringUtils.isBlank(strUrlParam))
        {
            return params;
        }
        String[] arrSplit = strUrlParam.split("[&]");
        for (String strSplit : arrSplit)
        {
            String[] arrSplitEqual = strSplit.split("[=]");
            // 解析出键值
            if (arrSplitEqual.length > 1)
            {
                // 正确解析
                params.put(arrSplitEqual[0], arrSplitEqual[1]);
            }
            else
            {
                if (!"".equals(arrSplitEqual[0]))
                {
                    // 只有参数没有值，也加入
                    params.put(arrSplitEqual[0], "");
                }
            }
        }
        return params;
    }

    /**
     * 去掉url中的路径，留下请求参数部分
     * 
     * @param url
     *            url地址
     * @return url
     * @author lzf
     */
    private static String truncateUrl(String url)
    {
        String strAllParam = null;
        String[] arrSplit = null;
        url = url.trim();
        arrSplit = url.split("[?]");
        if (url.length() > 1)
        {
            if (arrSplit.length > 1)
            {
                for (int i = 1; i < arrSplit.length; i++ )
                {
                    strAllParam = arrSplit[i];
                }
            }
        }
        return strAllParam;
    }

}